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The geographic center of Washington, D.C. is on the site of the Organization of American States headquarters. [3] The U.S. Capitol marks the intersection of the city's four administrative quadrants. Other prominent geographical features of Washington, D.C., include Theodore Roosevelt Island, Columbia Island, the Three Sisters, and Hains Point.
Territorial sea is a belt of coastal waters extending at most 12 nautical miles (22 km; 14 mi) from the baseline (usually the mean low-water mark) of a coastal state. [6] The territorial sea is sovereign territory, although foreign ships (military and civilian) are allowed innocent passage through it, or transit passage for straits ; this ...
An average of approximately 486 million US gallons (1,840,000 m 3) of water is withdrawn daily from the Potomac in the Washington area for water supply, providing about 78 percent of the region's total water usage, this amount includes approximately 80 percent of the drinking water consumed by the region's estimated 6.1 million residents. [5] [27]
The Chesapeake Bay (/ ˈ tʃ ɛ s ə p iː k / CHESS-ə-peek) is the largest estuary in the United States. The bay is located in the Mid-Atlantic region and is primarily separated from the Atlantic Ocean by the Delmarva Peninsula, including parts of the Eastern Shore of Maryland, the Eastern Shore of Virginia, and the state of Delaware.
The Geology of Washington, D.C., is broadly divisible into two regions. [1] The northwestern quadrant of the city lies mainly in the Appalachian Piedmont region, [ 1 ] marked by moderate to steep hills underlain by metamorphic rocks of Ordovician through Devonian age, similar to the adjacent Piedmont regions of Montgomery County, Maryland .
Washington, D.C., formally the District of Columbia and commonly known as Washington or D.C., is the capital city and federal district of the United States. The city is on the Potomac River, across from Virginia, and shares land borders with Maryland to its north and east. It was named after George Washington, the first president of the United ...
In any event, Congress needs to make laws defining if the extended waters, including oil and mineral rights, are under state or federal control. [22] [23] The primary enforcer of maritime law is the U.S. Coast Guard. Federal and state governments share economic and regulatory jurisdiction over the waters owned by the country. (See tidelands.)
Washington, D.C., legally named the District of Columbia, in the United States of America, was founded on July 16, 1790, after the inauguration of City of Washington, the new capital of the country.